exception LookupError The base class for the exceptions that are raised when a key or index used on a mapping or sequence is

exception TabError Raised when indentation contains an inconsistent use of tabs and spaces. This is a subclass of Ind

exception RuntimeWarning Base class for warnings about dubious runtime behavior.

exception ProcessLookupError Raised when a given process doesn’t exist. Corresponds to errno ESRCH

exception PermissionError Raised when trying to run an operation without the adequate access rights - for example filesystem

exception IsADirectoryError Raised when a file operation (such as

exception NameError Raised when a local or global name is not found. This applies only to unqualified names. The associated

exception OSError([arg]) exception OSError(errno, strerror[, filename[, winerror[, filename2]]]) This exception

characters_written An integer containing the number of characters written to the stream before it blocked. This attribute is

exception BlockingIOError Raised when an operation would block on an object (e.g. socket) set for non-blocking operation. Corresponds